<div>
  Ensures that the selected version of the Go programming language tools are
  installed, and that the <code>GOROOT</code> environment variable points to
  that installation during a build.
  <p/>
  In addition, the Go tools (under <code>$GOROOT/bin</code>) will be added at
  the start of the <code>PATH</code> environment variable during builds.
  <p/>
  If no Go installations have been defined in the Jenkins system config, then
  none of the above steps will take place.
</div>
